To establish the deck's height in your outline, adjust the string at your first corner to the appropriate height, and use string levels to adjust the remaining strings to match.
Adjustable Deck Footings Bunnings. You will, however, still need to dig down to below the frost line to pour the concrete footer. The 150mm support foot joins with the required supports (steel and pine posts) to achieve the desired deck height.
Builders Edge Pedestal Foot Bigfoot Xl 70 - 170mm ... from 2ecffd01e1ab3e9383f0-07db7b9624bbdf022e3b5395236d5cf8.ssl.cf4.rackcdn.com
You don't have to worry about spending days buying, mixing, installing.and waiting for your construction footings. Along the long side, five support posts will be used, spaced roughly every 7'. The 150mm support foot joins with the required supports (steel and pine posts) to achieve the desired deck height.
Durable floating deck footings applied to your home.
You will, however, still need to dig down to below the frost line to pour the concrete footer. My understanding is that the footings for the main deck 6x6 support posts will need to be 17 in diameter, set at frost depth (30 here). Because a pergola is being built above the deck, two of the support posts will be larger beams than these 4×4 posts. The size and depth of deck footings vary depending on your location, soil composition, and the amount of weight the footing will be required to carry.
